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Eng
lish
AGy -L
87
10 - Troubleshooting
10.1 Drive Alarm Condition
The drive keypad will show on the 2nd line of alphanumeric display a blinking message with the code and name of the
alarm occurred.
The figure below shows an example of
OV Overvoltage
alarm condition during
d.000 Output frequency
parameter
displaying.
Hz
A
V
Prg
Rev
Fwd
Prg
Output frequency
0V Overvoltage
Alarm message blinking
R
eset
Hz
A
V
Prg
Rev
Fwd
Prg
0U
Alarm code blinking
Red LEDs
blinking
Red LEDs
blinking
KBG-1 (standard)
KBG-LCD-.. (Optional)
Figure 10.1.1: Alarm Displaying for LDC and 7 segments display
The active alarm can be acknowledged by pressing the
Prg
button on the keypad.
This operation will allow
menu navigation and parameter editing
while the drive is in alarm state (red LEDs blinking).
In order to resume drive operation, an Alarm reset command is necessary.
10.2 Alarm Reset
Alarm reset can be performed in three different ways:
- Alarm reset by keypad:
pressing simultaneously
Up
and
Down
keys; the reset
action will take effect when the buttons are released.
- Alarm reset by digital input:
it can be performed through a programmable digital input
connected to command
I.010 Fault reset src
=
[9]
Digital input 8
(terminal 4).
. Alarm reset by Autoreset function:
it allows an automatic reset of some drive alarms (see
table 10.3.1), by the settings of
P.380, P.381, P.382
and
P.383
parameters.
The figure below shows how to reset an alarm by keypad.
O
u
tp
u
t freq
u
e
n
cy
0V Overvolta
g
e
O
u
tp
u
t freq
u
e
n
cy
0.00 Hz
Alarm condition
Alarm resetted
Blinking
Alarm condition
Alarm resetted
Blinking
KBG-1 (standard)
KBG-LCD-.. (Optional)
Figure 10.2.1: Alarm Reset
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